﻿using System;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using System.Linq;
using System.Text;

namespace BLL.Dal
{

    /// <summary>
    /// 数据访问类:RolePowerDAL
    /// </summary>
    public partial class RolePowerDAL
    {
        public RolePowerDAL()
        { }
        #region  BasicMethod

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(Guid ID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from tbRolePower");
            strSql.Append(" where ID=@ID ");
            OleDbParameter[] parameters = {
					new OleDbParameter("@ID", OleDbType.Guid)			};
            parameters[0].Value = ID;

            return DbHelperOleDb.Exists(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public bool Add(Model.RolePower model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into tbRolePower(");
            strSql.Append("ID,roleCode,powerCode)");
            strSql.Append(" values (");
            strSql.Append("@ID,@roleCode,@powerCode)");
            OleDbParameter[] parameters = {
					new OleDbParameter("@ID", OleDbType.Guid),
					new OleDbParameter("@roleCode", OleDbType.VarChar,255),
					new OleDbParameter("@powerCode", OleDbType.VarChar,255)};
            parameters[0].Value = Guid.NewGuid();
            parameters[1].Value = model.roleCode;
            parameters[2].Value = model.powerCode;

            int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Model.RolePower model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update tbRolePower set ");
            strSql.Append("roleCode=@roleCode,");
            strSql.Append("powerCode=@powerCode");
            strSql.Append(" where ID=@ID ");
            OleDbParameter[] parameters = {
					new OleDbParameter("@roleCode", OleDbType.VarChar,255),
					new OleDbParameter("@powerCode", OleDbType.VarChar,255),
					new OleDbParameter("@ID", OleDbType.Guid)};
            parameters[0].Value = model.roleCode;
            parameters[1].Value = model.powerCode;
            parameters[2].Value = model.ID;

            int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(Guid ID)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from tbRolePower ");
            strSql.Append(" where ID=@ID ");
            OleDbParameter[] parameters = {
					new OleDbParameter("@ID", OleDbType.Guid)			};
            parameters[0].Value = ID;

            int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 批量删除数据
        /// </summary>
        public bool DeleteList(string IDlist)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from tbRolePower ");
            strSql.Append(" where ID in (" + IDlist + ")  ");
            int rows = DbHelperOleDb.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 通过角色标识删除角色权限
        /// </summary>
        /// <param name="roleCode">角色标识</param>
        /// <returns></returns>
        public bool DeleteListByRoleCode(string roleCode)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from tbRolePower ");
            strSql.Append(" where roleCode=@roleCode ");
            OleDbParameter[] parameters = {
					new OleDbParameter("@roleCode", OleDbType.VarChar)			};
            parameters[0].Value = roleCode;

            int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Model.RolePower GetModel(Guid ID)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ID,roleCode,powerCode from tbRolePower ");
            strSql.Append(" where ID=@ID ");
            OleDbParameter[] parameters = {
					new OleDbParameter("@ID", OleDbType.Guid)			};
            parameters[0].Value = ID;

            Model.RolePower model = new Model.RolePower();
            DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                return DataRowToModel(ds.Tables[0].Rows[0]);
            }
            else
            {
                return null;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Model.RolePower DataRowToModel(DataRow row)
        {
            Model.RolePower model = new Model.RolePower();
            if (row != null)
            {
                if (row["ID"] != null && row["ID"].ToString() != "")
                {
                    model.ID = new Guid(row["ID"].ToString());
                }
                if (row["roleCode"] != null)
                {
                    model.roleCode = row["roleCode"].ToString();
                }
                if (row["powerCode"] != null)
                {
                    model.powerCode = row["powerCode"].ToString();
                }
            }
            return model;
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ID,roleCode,powerCode ");
            strSql.Append(" FROM tbRolePower ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperOleDb.Query(strSql.ToString());
        }

        /// <summary>
        /// 获取记录总数
        /// </summary>
        public int GetRecordCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM tbRolePower ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperSQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT * FROM ( ");
            strSql.Append(" SELECT ROW_NUMBER() OVER (");
            if (!string.IsNullOrEmpty(orderby.Trim()))
            {
                strSql.Append("order by T." + orderby);
            }
            else
            {
                strSql.Append("order by T.ID desc");
            }
            strSql.Append(")AS Row, T.*  from tbRolePower T ");
            if (!string.IsNullOrEmpty(strWhere.Trim()))
            {
                strSql.Append(" WHERE " + strWhere);
            }
            strSql.Append(" ) TT");
            strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperOleDb.Query(strSql.ToString());
        }

        /*
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetList(int PageSize,int PageIndex,string strWhere)
        {
            OleDbParameter[] parameters = {
                    new OleDbParameter("@tblName", OleDbType.VarChar, 255),
                    new OleDbParameter("@fldName", OleDbType.VarChar, 255),
                    new OleDbParameter("@PageSize", OleDbType.Integer),
                    new OleDbParameter("@PageIndex", OleDbType.Integer),
                    new OleDbParameter("@IsReCount", OleDbType.Boolean),
                    new OleDbParameter("@OrderType", OleDbType.Boolean),
                    new OleDbParameter("@strWhere", OleDbType.VarChar,1000),
                    };
            parameters[0].Value = "tbRolePower";
            parameters[1].Value = "ID";
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = 0;
            parameters[5].Value = 0;
            parameters[6].Value = strWhere;	
            return DbHelperOleDb.RunProcedure("UP_GetRecordByPage",parameters,"ds");
        }*/

        #endregion  BasicMethod
        #region  ExtensionMethod

        #endregion  ExtensionMethod
    }
}
